The shooting at the Pulse nightclub took place during that city's Pride celebrations. The gunman has been identified as Omar Mir Seddique Mateen, 29, of Port St. Lucie, Florida. His father told NBC News that Mateen was angered after recently seeing two men kiss in Miami.

"There are almost no words that we have to say to each other," said Wynne, the first gay premier in Ontario's history. "The most important thing is for us to be together."

"This kind of hate-filled act has no place in the world," said Mayor Tory. "This represents no faith."

"Pride is going to be hopeful, it's going to be celebratory, but Pride is also going to be a reminder of how much more we have to do," he said, speaking of this year's Pride celebrations in Toronto, which are already underway.

Alica Hall, the co-chair of Pride Toronto, said, "The Pride movement was borne out of resistance and we will continue to resist."